davis has more. >> reporter: in the shadow of the pentagon, under bright and sunny skies, they joined 200 families to remember a day 9 years ago from the world as we knew it was forever changed. >> on a day like, this the calm september morning was shattered by the worst act of terrorism in the nation's history. >> reporter: the president laid a wreath in memory. he didn't mention the controversies swirling around the plan or the florida pastor who had planned to burn the q'uran, he did appeal to the nation to honor the memory of those killed on september 11th by valuing diversity and tolerance. >> we are not and never will be at war with islam and that was not a religion that attacked us, it was al qaeda. >> reporter: they search for the bench inscribed with the name of the loved one and that is where the personal and private remembrances take place. >> when i come here, i feel happy because i realize that people are coming here and remembering. >> reporter: rebecca was a teenager when her father who worked inside the pentagon was killed on september 11th. he feels a connection to hi